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在连续水文模拟下对综合下水道系统进行全球弹性分析
Mayra Rodriguez1, Guangtao Fu2, David Butler2
1Department of Urban Water Management, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.
Journal of environmental management
|July 15, 2023
概括
本研究引入了一种标准化的方法来评估综合下水道系统 (CSS) 的弹性,这对于管理综合下水道溢出 (CSO) 排放至关重要. 绿色基础设施有效地提高了CSS的弹性,绿色屋顶特别有前途.
科学领域:
- 环境工程 环境工程
- 城市水资源管理
- 弹性科学 弹性科学
背景情况:
- 管理综合下水道溢出 (CSO) 排放对于城市水系统的弹性至关重要.
- 缺乏标准化的弹性分析阻碍了有效的民间社会组织减少战略.
- 现有的方法通常依赖于基于事件的分析,无法捕捉长期的系统动态.
研究的目的:
- 提出一种标准化,自上而下的方法来量化综合下水道系统 (CSS) 的弹性.
- 通过使用连续模拟,将降雨等外部威胁与民间社会组织等影响联系起来.
- 评估绿色基础设施 (GI) 在提高CSS弹性方面的有效性.
主要方法:
- 扩展了全球弹性分析框架用于CSS弹性量化.
- 开发了八个新的指标,以从弹性角度评估民间社会组织免费影响.
- 在瑞士费拉尔托夫 (Fehraltorf) 进行了长达38年的连续模拟案例研究,分析了生物保温电池,绿色屋顶和透气路面.
主要成果:
- 绿色基础设施 (GI) 在CSS中显著提高了所有评估的弹性指数.
- 在案例研究中,绿色屋顶被证明是最有效的地理标志类型,可以提高整体系统的弹性.
- 下游输出经历了最高的弹性增强,表明了地理标志性实施的局部效益.
结论:
- 拟议的方法有助于从基于事件的持续模拟转变为标准化的CSS弹性评估.
- 这种方法为开发有效的民间社会组织免责减免策略提供了坚实的框架.
- 实施地理标志,特别是绿色屋顶,是增强综合下水道系统弹性的一种可行的策略.
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